<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        p{
            color: rgba(134, 84, 108,1);
            font-size: larger;
            font-weight: lighter;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        .pra1{
            font-weight: bold;
            color: rgba(233, 123,192, 1);
            font-style: normal;
            font-family: Arial, Helvetica, sans-serif;
        }
        .pra2{
            color: rgb(1,12,123);
            font-weight: bolder;
            font-style: italic;
            font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
        }
        .pra3{
            font-style: oblique;
            font-weight: 300;
            font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
        }
    </style>
</head>
<body>
    
    <p>标题2</p>
    <p class="pra1">标题3</p>
    <p class="pra2">标题4</p>
    <p class="pra3">标题5</p>
</body>
</html>